Said boggs assigjtob to said powell



(No Model.)

T. L. GARLEYE L. P; POWELL,& H H. BOGGS.

SET WORKS FOR SAW MILLS.

Patented Dec. 18, 1883.

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iimrnn Snares PATENT @rrrcn.

TIMOTHY L. GARLEY, LOUIS F. POYVELL, AND HENRY H. BOGGS, OF SYRA- CUSE,NEW YORK; SAID BOGGS ASSIG-NOR TO SAID POYVELL.

SET-WORKS FOR SAW-M l L LS.

SPECIFICATION forming part of Letters Patent No. 290,531, dated December18, 1883.

Application filed February v13, 1883. (No model.)

To aZZ when it may concern.-

Be it known that we, TIMOTHY L. OAKLEY, LOUIS F. POWELL, and HENRY H.Boecs, of Syracuse, in the county of Onondaga, in the State of New York,have invented new and useful Improvements in Saw-Mills, of which thefollowing, taken in connection with the accompanying drawings, is afull, clear, and exact description.

This invention consists in certain novel devices connected with thelog-carriage and head-block of a saw-mill for the purposeofconveniently, expeditiously, and accurately setting the log to the lineof cutting and auto matically determining the amount of lumberobtainable from said log, all as hereinafter more fully explained, andset forth in the claims.

In the annexed drawings, Figure 1 is a plan view of a log-carriageprovided with our-improvements. Fig. 2 is a side elevation of the same.Fig. 3 is a vertical transverse section taken on line :19 as in Fig. 1.Fig. his an enlarged end view of the hcad-block'aud the sliding standardmounted thereon. Fig. 5 is a vertical transverse section of the same,showing more fully the arrangement of the indicator in relation to thegraduated scale on the base of the sliding standard. Fig. 6 illustratesthe arrangement of interchangeable gages ap plied to the slidingstandard for determining the number of boards or planks of differentthicknesses obtainable from the log mounted on the head-bloclr, and Fig.7 is an enlarged top view of the stop which limits the movement of themechanism by which the log is set to the cutting-line of the saw.

Similar letters of reference denote similar parts.

A represents the log-carriage, mounted on firm track-rails R R, arr.nged at one side of the saw, and parallel therewith, in the usualmanner.

B denotes the head-bl0ch rigidly secured to the top of the carriage,andD is the standard or stake, againstwhich the log resting on thehead-block is clamped by the usual dog, E.

Said standard or stake is provided with a prolonged base, D, by which itrides on the headblock B, and which is fitted on the head-block tor,

in such manner that while firmly supporting the standard it allows thesame to slide longitudinally. The base D is provided on its under sidewith a rack, a, extending the length thereof.

F denotes a line-shaft arranged lengthwise of the carriage, and mountedin suitable bearings on the same, said line-shaft being provided withpinions c c, which engage with the racks a of the respective standardsD.

e is a counter-shaft arranged at right angles to the line-shaft F, andmounted on a suitable support, b, secured to the carriage A. The end ofthe shaft e adjacent to the carriage is provided with a beveled pinion,j, which meshes'into a beveled gear, cl, attached to the line-shaft F.

To the outer end of the shaft 0 is attached a ratchet-wheel, g, andimmediately back of this a lever, in, is hung or fulcrumed on the shafte, which lever is provided with a pawl, a, adapted to engage theratchet-wheel g.

h represents a semicircular rim arranged concentric with the shaft 6,and secured stationary on the support b, close to the rear of 7 5thelever m. lhe rim h is provided with a concentric slot, 8, throughwhich projects a stud-pin, K, which comes in the path of the lever m andserves as a stop to the movement of said lever, said stud-pin beingadapted to be moved along the slot 3 and shouldered against the outerside of the rim h, and provided at the opposite side of the same with ascrew-threaded shank, on which is a nut, r, by means of which the stopor stud pin K can be-clamped in its position. That portion of thestud-pin which lies in the slot 8 is angular, andon the end of saidportion isfitted awasher, a, from which projects a pointer or indica- Z,which reaches to the periphery of the rim h, said periphery beingprovided with a graduated scale, 7;, for the purposehereinafterexplained.

' n represents a dog connected to the foot of the rim It, or othersuitable firm support, said 5 dog being adapted to be thrown into engagement with the ratchet-wheel 5 and hold the same. while swinging back thelever m to obtain a new hold on the ratchctwheel for turning the same.The turning of the ratchet- I00 wheel fixed to the shaft e, asaforesaid,

, causes the pinion f to impart rotary motion to the line-shaft F by themedium of the gear d,

and the rotation of the line-shaft transmits a rectilineal movement tothe sliding standard D by means of the pinion c engaging the rack a onthe base of the standard. Thelog to be sawed,

being mounted on thehead-blocks and clamped on the standards, is thuscarriedby the aforesaid movement of the standards toward the line ofcutting, the distance of such movement depending on the stroke of theleverm, and the latterbein g controlled by the stop K. The scale on therim h is so graduated that when the'le'ver m is arrested by the stopKthe indicator Z of the latter will point to the scale mark or numbercorresponding to the'number of inches or fractions .of inches in thedistance moved by the sliding standard D; hence by setting the said stopso as to bring its indicator Z in coincidence with the number on thescale 2' corresponding to the number'of inches or fractions of inches inthe thickness of the lumber to be sawed, and then carrying the lever mfrom its place of rest up against the stop K, the log will be movedoutward on the headblock the necessary distance to cause the saw to cutthe lumber of the desired thickness. A handle, H, is connected to theratchetwheel, by means of which handle said wheel can be turned in areverse direction after the pawl n and dog 1) have been thrown out ofengagement therewith, said reverse motion retracting the slidingstandard D, to admit of theadjustment or replacement of the log on thehead-block.

L represents a scale or board measure connectedto the side of the base Dof the sliding standard, and M is a pointer or indicator attached to thehead-block. The scale L is so graduated that the zero-point thereof isin coincidence with the indicator M when the face of the standard orso-called stake Dis in range with the cutting-line of the saw U, saidzero-point being therefore at the rear or trailing end of thestandard-base. This scale may be divided either into inches andfractions of inches, and thus show the exact thickness of the stock oflog left after the previous cutof the saw, or said scale may be-dividedinto spaces equal to one or more inches, including the sawkerf, and thusshow the actual number of boards or planks obtainable from the stock oflog left on the head-block.

In order to obtain all of the aforesaid'conveniences, weemployinterchangeable gages in the form of a bar having differentlygraduated scales, as aforesaid, on two or more of its sides. Said bar isto be arranged along the side of the standard-base D, and to be pivotedat its ends, or to be arranged rotary on its axis, so that either of thescales may beturned toward the indicator M, as illustrated in Fig. 6 ofthe drawings.

It will be observed that by means of our automatic lumber scale ormeasure L the operator is enabled to ascertain at a glance the number ofboards or planks he can obtain from the log after it has been squared,and

the measuring is effected simultaneously with the setting of the log andby the manipulation of one and the same lever.

Having described our invention, what we claim as new, anddesire tosecure by Letters Patent, -is I 1. The ratchet-wheel g, semicircular rim71,

provided with the scale 1' and slot 8, the stop K, provided with theclamping-nut r, and-the lever m, provided with the pawl n, incombination with the shaft 0, provided with the pinion f, the shaft F,provided with gear d and pinion c, the sliding standardor knee providedwith the rack a and scale L, and the indicator M, attached to thehead-block, all combined and operating conjointly, substantially in themanner specified and'shown. I

2. In combination with the sliding standard provided with the rack a,the shaft F, pro- Vided with the pinion c and gear d, the shaft '6,provided with the pinion f, and with the ratchet-wheel g, thesemicircular rim 7:, :provided with the scale t and with the slot *5,the stop K, provided with the clamping-nut r and indicator Z, and thelever in, provided with the pawl n, all combined and'operatingsubstantially in the manner and for'the purpose shown and described.

I11 testimony whereof we have hereunto signed our names and affixed ourseals, inthe presence of two attesting witnesses, at Syracuse, in thecounty of Onondaga, in the State of New York, this 9th day of February,1883.

TIMOTHY L. OAKLEY. n s.] LOUIS F. POWELL. [L.S.] HENRY H. BOGGS.

\Vitnesses:

FREDERICK H. GIBBs, WILLIAM G. RAYMOND.

